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Finding the Fourth Proportional to 888,838.19, 1,226,593.31 and 480,940.82

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Solution

The fourth proportional to 888,838.19, 1,226,593.31 and 480,940.82 is: 663,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,838.19 : 1,226,593.31 = 480,940.82 : x
  2. Step 2: Convert to fraction form
    888,838.19/1,226,593.31 = 480,940.82/x
  3. Step 3: Cross multiply
    888,838.19x = 1,226,593.31 × 480,940.82
  4. Step 4: Simplify right side
    888,838.19x = 589,918,796,586.75
  5. Step 5: Solve for x
    x = 589,918,796,586.75/888,838.19
  6. Step 6: Final answer
    x = 663,696.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.